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Finding the Fourth Proportional to 66,680.52, 100,037.10 and 46,997.52

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Solution

The fourth proportional to 66,680.52, 100,037.10 and 46,997.52 is: 70,507.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,680.52 : 100,037.10 = 46,997.52 : x
  2. Step 2: Convert to fraction form
    66,680.52/100,037.10 = 46,997.52/x
  3. Step 3: Cross multiply
    66,680.52x = 100,037.10 × 46,997.52
  4. Step 4: Simplify right side
    66,680.52x = 4,701,495,607.99
  5. Step 5: Solve for x
    x = 4,701,495,607.99/66,680.52
  6. Step 6: Final answer
    x = 70,507.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.